Which of the following forces require physical contact?

The choice that says Force applied force , this requires physical contact.

My reason being is mainly because it says applied. This means i or you have to apply my or your strength to a " table " in order to move it.



I really hope that this helps you a lot.        :) have a nice day.

 

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey

The answer is energy. the arrows are showing how exited and energized the stones are.